CentOS7上elasticsearch5.0启动失败

拼搏现实的明天。 2022-06-04 06:07 246阅读 0赞

http://blog.csdn.net/kongxx/article/details/52993057

# CentOS7上elasticsearch5.0启动失败 #

## 问题描述： ##

最新版本5.0release了，想着装上试试，结果一上来就报了两个错，然后就退出了，如下：

$ ./elasticsearch
    ...
    ERROR: bootstrap checks failed
    max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536]
    max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144]
    [2016-10-31T04:55:45,240][INFO ][o.e.n.Node               ] [vJDcSkt] stopping ...
    [2016-10-31T04:55:45,249][INFO ][o.e.n.Node               ] [vJDcSkt] stopped
    [2016-10-31T04:55:45,249][INFO ][o.e.n.Node               ] [vJDcSkt] closing ...
    [2016-10-31T04:55:45,257][INFO ][o.e.n.Node               ] [vJDcSkt] closed
     
      
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## 解决办法： ##

### 问题1： ###

max file descriptors [4096] for elasticsearch process likely too low, increase to at least [65536]
     
      
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修改/etc/security/limits.conf文件，添加或修改如下行：

*        hard    nofile           65536
    *        soft    nofile           65536
     
      
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### 问题2： ###

max virtual memory areas vm.max_map_count [65530] likely too low, increase to at least [262144]
     
      
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使用下面的方法临时使其生效

$ sudo sysctl -w vm.max_map_count=262144
     
      
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或者修改 /etc/sysctl.conf 文件，添加 “vm.max\_map\_count”设置

设置后，可以使用

$ sysctl -a
     
      
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